Patents by Inventor Kyung-shik Roh

Kyung-shik Roh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10279481
    Abstract: An electronic device to be put on a cradle may include a housing including a part in a hemispherical shape and physically coming into contact with the cradle in an arbitrary position when the electronic device is put on the cradle, a display arranged on another part of the housing, a camera module to obtain an image in a direction that the display faces, a sensor module to sense an orientation of the electronic device; and a processor to determine a target orientation of the electronic device based on the obtained image, and create control data to change the orientation of the electronic device based on the sensed orientation and the target orientation of the electronic device.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: May 7, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: So Hee Lee, Won Ho Shin, No San Kwak, Kyung Shik Roh, Joong Kyung Park, Suk June Yoon
  • Patent number: 10229501
    Abstract: A mobile robot and method for controlling the same are provided creating patches in images captured by a camera while the mobile robot is moving, estimating motion blur of the patches, and correcting the position of the mobile robot based on the patch from which the motion blur is eliminated, thereby increasing precision in tracking and reliability through accurate mapping. The mobile robot includes a main body, a traveler to move the main body, a camera combined with the main body to capture an image of a surrounding of the main body, a position detector to create a patch in the image captured by the camera, estimate a motion blur of the patch, and track a position of the main body based on the created patch from which the motion blur is eliminated, and a controller to control the traveler based on the position of the main body.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: March 12, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Bo Young Kim, No San Kwak, Kyung Shik Roh, Soon Yong Park, Suk June Yoon, So Hee Lee, Min Yong Choi
  • Patent number: 10213082
    Abstract: A robot cleaner includes a housing a sensor assembly disposed in the housing, wherein the sensor assembly comprises a light source configured to emit light toward an area in front of the housing; a camera unit comprising a lens; a reflector configured to reflect light incident on a front of the housing toward a front region of the lens; and a guide member hollow inside configured to guide light incident on a top of the housing toward a rear region of the lens. The robot cleaner estimates a current position of the robot cleaner more accurately by correcting the current position of the robot cleaner estimated by using odometry information based on images acquired by the camera unit.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: February 26, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Sik Yoon, Kyong Su Kim, Shin Kim, Yong-Seok Kim, Kyung Shik Roh, Hyun Soo Jung
  • Patent number: 10019013
    Abstract: Embodiments of the present disclosure relate to a robot cleaner and a control method of the robot cleaner, more particularly, to a robot cleaner configured to correct position information of the robot cleaner by acquiring a position of a docking station during the robot clear drives and to correct a map by using corrected position information, and a control method of the robot cleaner.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: July 10, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: No San Kwak, Kyung Shik Roh, Soon Yong Park, Suk June Yoon, So Hee Lee, Min Yong Choi
  • Publication number: 20180186004
    Abstract: A robot for performing hand-eye calibration is provided. The robot includes a robot arm including a plurality of joints, a plurality of arm sections, and an end effector, a communication interface, and a control circuit. The control circuit controls the robot arm to place the external object on a worktable after the external object is grasped by the end effector, acquires coordinates of a central point of the external object in a coordinate system of the camera from an image of the external object, and calculates a calibration parameter for defining a relation between a coordinate system of the end effector and the coordinate system of the camera, based on coordinates of the end effector in a base coordinate system of the robot and coordinates of the central point of the external object in the coordinate system of the camera when the external object is placed on the worktable.
    Type: Application
    Filed: January 2, 2018
    Publication date: July 5, 2018
    Inventors: Soon Yong PARK, Kyung Shik ROH, Sung Hwan AHN, Suk June YOON, So Hee LEE, Young Pil JEON
  • Publication number: 20180178372
    Abstract: A home robot device includes a memory, a movement module, and a processor. The processor is configured to execute a motion based on specified motion execution information stored in the memory, obtain feedback information of a user, generate modified motion execution information by modifying at least a portion of the specified motion execution information based on the feedback information of the user, where the modified motion execution information includes a movement value of at least one joint unit of the home robot device or at least one support linked to the at least one joint unit selected from a probability model of the specified motion execution information, and execute a motion of the home robot device based on the modified motion execution information.
    Type: Application
    Filed: December 5, 2017
    Publication date: June 28, 2018
    Inventors: So Hee Lee, Dong Hyun Kwak, Eun Sol Kim, Ji Seob Kim, Kyoung Woon On, Byoung Tak Zhang, Kyung Shik Roh, Suk June Yoon
  • Publication number: 20180173244
    Abstract: Disclosed herein are a movable object and a movable object control method. The movable object control method may include acquiring an image of a movable object's surroundings, acquiring a signal having strength changing depending on a location of the movable object, generating a map on the basis of the signal and the image of the surroundings of the movable object, and applying the map to an algorithm to acquire a learned algorithm.
    Type: Application
    Filed: December 12, 2017
    Publication date: June 21, 2018
    Inventors: Suk June YOON, No San KWAK, Kyung Shik ROH, Soon Yong PARK, Sung Hwan AHN
  • Publication number: 20180173243
    Abstract: Embodiments of the present disclosure relate to a movable object and a method for controlling the same. A method for controlling a movable object may include acquiring virtual data representing distances between each of a plurality of positions within an area and surfaces in the area, in a plurality of directions, respectively, based on a map of the area. An algorithm, such as a machine learning algorithm, may be executed that outputs positions corresponding to the virtual data. Actual distance data between the movable object and a plurality of surfaces in the vicinity of the movable object may be acquired. An actual position of the movable object may then be estimated corresponding to the actual distance data by executing the algorithm using the actual distance data. The movable object may be controlled based on the estimated actual position.
    Type: Application
    Filed: December 11, 2017
    Publication date: June 21, 2018
    Inventors: Soon Yong PARK, No San KWAK, Kyung Shik ROH, Sung Hwan AHN, Suk June YOON, Min Yong CHOI
  • Patent number: 9997269
    Abstract: A radiographic apparatus may comprise: a radiation irradiating module configured to irradiate radiation to an object; and/or a processing module configured to automatically set a part of a region to which the radiation irradiating module is able to irradiate the radiation, to a region of interest, and further configured to determine at least one of a radiation irradiation position and a radiation irradiation zone of the radiation irradiating module based on the region of interest.
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: June 12, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung Shik Roh, Seung Yong Hyung, Ji Yeun Kim, Jong Won Lee, Ju Suk Lee, Won Jun Hwang, Hyo Seok Hwang
  • Publication number: 20180133895
    Abstract: Disclosed herein are a mobile robot system including a server of creating and storing traveling information about moving space and a mobile robot of travelling on the moving space, wherein the mobile robot comprises a driving portion configured to move the mobile robot, a communication device configured to receive the traveling information from the server and a controller configured to control the driving portion based on the traveling information received from the communication device and wherein the server receives information about the moving space from at least one external robot, and creates the traveling information based on the information about the moving space. Disclosed herein are a mobile robot system and a mobile robot capable of receiving information about moving space received from another mobile robot from an external server, and then performing deep learning based on the information about the moving space so as to travel safely and flexibly in various environments.
    Type: Application
    Filed: October 18, 2017
    Publication date: May 17, 2018
    Inventors: No San KWAK, Mi Jeong SONG, Kyung Shik ROH, Soon Yong PARK, Bo Kyung KIM, Ji Ho SEO, Si Ho JANG
  • Patent number: 9931265
    Abstract: A walk-assistive apparatus may include at least one joint that corresponds to at least one joint of a wearer, at least one link that connects the joint, and is rotated in response to rotation of the joint, a spring that is mounted in the link or the joint so that a length of the spring is changed in accordance with rotation of the link or the joint, and a processor that controls the change in the length of the spring to compensate for a weight by gravity when the wearer walks. Accordingly, the walk-assistive apparatus and a method of controlling the walk-assistive apparatus may use a mechanical element such as a spring to reduce energy, and weight compensation having uniform performance may be performed even in an arbitrary posture.
    Type: Grant
    Filed: January 19, 2015
    Date of Patent: April 3, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Bo Shim, Young Do Kwon, Kyung Shik Roh
  • Publication number: 20180055325
    Abstract: A robot cleaner includes a housing a sensor assembly disposed in the housing, wherein the sensor assembly comprises a light source configured to emit light toward an area in front of the housing; a camera unit comprising a lens; a reflector configured to reflect light incident on a front of the housing toward a front region of the lens; and a guide member hollow inside configured to guide light incident on a top of the housing toward a rear region of the lens. The robot cleaner estimates a current position of the robot cleaner more accurately by correcting the current position of the robot cleaner estimated by using odometry information based on images acquired by the camera unit.
    Type: Application
    Filed: August 7, 2017
    Publication date: March 1, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang Sik YOON, Kyong Su KIM, Shin KIM, Yong-Seok KIM, Kyung Shik ROH, Hyun Soo JUNG
  • Patent number: 9904284
    Abstract: A robot that moves to a position indicated by a remote device, and a method for controlling the moving robot. The moving robot according to an embodiment includes a traveling unit that moves a main body, a light reception unit that receives light, and a control unit that determines a traveling direction of the moving robot by filtering the light received from the light reception unit in accordance with a probability-based filtering method, and controls the traveling unit so that the main body travels in the traveling direction.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: February 27, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: No San Kwak, Hong Jun Kim, Ji Min Kim, Kyung Shik Roh, Soon Yong Park, Suk June Yoon
  • Patent number: 9879984
    Abstract: An optical scanning probe and an apparatus to generate three-dimensional (3D) data using the same are provided. The apparatus to generate 3D data includes an optical scanning probe that scans light generated from a light emitter over an object to be measured, a distance calculation processor that calculates a distance between the optical scanning probe and the object to be measured, based on the light scanned over the object to be measured and light reflected from the object to be measured; and a depth image generation processor that generates 3D data based on a scanning direction of the optical scanning probe and the distance between the optical scanning probe and the object to be measured.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: January 30, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Suk June Yoon, Kyung Shik Roh, No San Kwak, Shin Kim, Ji Min Kim, Soon Yong Park
  • Patent number: 9864914
    Abstract: An obstacle detecting unit includes a reflective mirror formed to reflect light which is incident from a front area and a lower portion of the front area below a central portion of the reflective mirror; a catadioptric lens disposed coaxially with the reflective mirror in an upper portion of the reflective mirror, the catadioptric lens on which light incident from the front area and an upper portion of the front area; and an image forming module disposed coaxially with the reflective mirror below the reflective mirror, the image forming module on which the light reflected by the reflective mirror is incident, wherein a through hole is formed in the central portion of the reflective mirror, and the light coming out of the catadioptric lens passes through the through hole and then is incident on the image forming module.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: January 9, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-il Kim, Suk-june Yoon, Shin Kim, Kyung-shik Roh, Soon-yong Park, Sang-sik Yoon, Seung-jae Lee
  • Patent number: 9861501
    Abstract: Provided are a walk-assistive robot and a method of controlling the same. The method of controlling the walk-assistive robot includes: obtaining ground information that is information regarding ground a walking direction; determining control patterns of the walk-assistive robot by analyzing the obtained ground information; and controlling the walk-assistive robot based on the determined control patterns.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: January 9, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Suk June Yoon, Kyung Shik Roh, Young Bo Shim, Young Do Kwon, Sung Hwan Ahn, Hyo Seok Hwang
  • Patent number: 9770300
    Abstract: A master console includes handles configured to control robotic surgical instruments of a slave robot, force/torque detectors configured to detect forces applied to the handles by an operator, a force compensator configured to generate force control signals that cancel out the forces applied to the handles by the operator, and a master controller configured to drive at least one joint of each of the handles in order to control motion of the handles based on motion control signals and the generated force control signals.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: September 26, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Do Kwon, Kee Hong Seo, Kyung Shik Roh
  • Patent number: 9767608
    Abstract: An augmented reality image display system may be implemented together with a surgical robot system. The surgical robot system may include a slave system performing a surgical operation, a master system controlling the surgical operation of the slave system, an imaging system generating a virtual image of the inside of a patient's body, and an augmented reality image display system including a camera capturing a real image having a plurality of markers attached to the patient's body or a human body model. The augmented reality image system may include an augmented reality image generator which detects the plurality of markers in the real image, estimates the position and gaze direction of the camera using the detected markers, and generates an augmented reality image by overlaying a region of the virtual image over the real image, and a display which displays the augmented reality image.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: September 19, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hee Kuk Lee, Won Jun Hwang, Kyung Shik Roh, Jung Yun Choi
  • Patent number: 9751214
    Abstract: An apparatus for returning of robot and a returning method thereof are provided, in which the apparatus for returning of robot includes a signal transmitter which is disposed on a charging station and transmits a single front signal and a plurality of distance signals including first, second and third distance signals, a signal receiver which is disposed on the robot and includes a plurality of receiving sensors to receive any one among the single front signal and one among the plurality of distance signals, and a controller which calculates an angle of the charging station by using one among the received single front signal and the plurality of received distance signals and controls the driving so that the robot can return to the charging station by using the calculated angle of the charging station.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: September 5, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-min Kim, No-san Kwak, Shin Kim, Kyung-shik Roh, Soon-yong Park, Suk-june Yoon
  • Patent number: 9724061
    Abstract: Provided are an X-ray imaging apparatus that is capable of tracking a position of an object of interest using a Kalman filter so as to reduce the amount of X-ray radiation exposure of a subject, calculating covariance indicative of accuracy of the tracing, and controlling a collimator so that the position of the object of interest and calculated covariance may be correlated with a position and an area of a region into which X-rays are radiated, and a method of controlling the X-ray imaging apparatus.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: August 8, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung Yong Hyung, Ji Yeun Kim, Kyung Shik Roh, Jong Won Lee, Ju Suk Lee, Won Jun Hwang, Hyo Seok Hwang